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Demonstration projects

The Office of Bridges and Structures at the Iowa Department of Transportation is responsible for the design, maintenance and rehabilitation of bridges and other transportation structures on the state highway system. As atypical problems arise that cannot be addressed as part of the typical office planning process, special evaluations are often needed.

Project Documents/Photos/Plans

Accelerated repair of bridge abutments using precast paving notch — phase I (lab testing of a prototype)

  • Abstract
  • Photos
  • Presentations and papers
  • Plans, specifications and contract documents
  • Status: completed
  • Final report

Accelerated repair of bridge abutments using precast paving notch — phase II field installation and evaluation

  • Abstract
  • Photos
  • Presentations and papers
  • Plans, specifications and contract documents
  • Status: in progress

Precast post-tensioned bridge approach panels in O'Brien County

  • Abstract
  • Photos
  • Presentations and papers
  • Plans, specifications and contract documents
  • Status: in progress